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Plasma-Material Interaction Data Set 120

Permeation of D in Steel

$$ P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right) $$

[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]

Comment

Fitting expression for flux vs temperature for permeability. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.

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  1. B100: E. Serra, A. Perujo, G. Benamati, "Influence of traps on the deuterium behaviour in the low activation martensitic steels F82H and Batman ", Journal of Nuclear Materials 245, 108-114 (1997). [10.1016/s0022-3115(97)00021-4]